Home / 663,455,999.40-995,183,999.10-294,990,239.40

Finding the Fourth Proportional to 663,455,999.40, 995,183,999.10 and 294,990,239.40

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Solution

The fourth proportional to 663,455,999.40, 995,183,999.10 and 294,990,239.40 is: 442,485,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,455,999.40 : 995,183,999.10 = 294,990,239.40 : x
  2. Step 2: Convert to fraction form
    663,455,999.40/995,183,999.10 = 294,990,239.40/x
  3. Step 3: Cross multiply
    663,455,999.40x = 995,183,999.10 × 294,990,239.40
  4. Step 4: Simplify right side
    663,455,999.40x = 293,569,566,141,558,336
  5. Step 5: Solve for x
    x = 293,569,566,141,558,336/663,455,999.40
  6. Step 6: Final answer
    x = 442,485,359.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.